I've got it now pretty bad. Almost every day for the past several months. Prilosec is great, because you take one pill every morning and you are covered. Zantac is better if you only get it every once in a while...you take a pill and it's gone within 30 minutes. But, it can come back in a few hours. So, Prilosec if it is an every day problem and Zantac if it's only a few cases a week.